- Anjelica's Very Odd Magic Sweater - Cynthia Lanius, Suzanne Alejandre
Pre-Algebra, difficulty level 3. Find the shortcut Angelica's mother might have used to calculate the
number of dimes.
...more>>
- Baseball Cards - Claire Mead
Math Fundamentals, difficulty level 2. How many cards does each of the three boys have in his baseball card collection?
...more>>
- Birthday Line Up - Claire Mead, Stephen Weimar
Pre-Algebra, difficulty level 2. How old will Seth be when his mother is five times Seth's age?
...more>>
- Building Barns * - Claire Mead
Math Fundamentals, difficulty level 3. How long will it take Amy's crew to build a barn?
...more>>
- Caliyah's Cart - Lillian Ray
Pre-Algebra, difficulty level 4. How many items did Caliyah decide to buy at the store?
...more>>
- Change You Can't Count On - Claire Mead
Math Fundamentals, difficulty level 2. What is the greatest amount of money I can have in my pocket?
...more>>
- The Chip Swap Game - Ethel Breuche
Algebra, difficulty level 4. The object of this game is to swap the positions of the different colored chips. Count the number of moves and, as you increase the number of chips, find the general formula.
...more>>
- The Christmas Gifts - Terry Trotter
Algebra, difficulty level 2. A grandfather doles out his annual Christmas gifts to his beloved grandchildren in a most unusual way - mathematical, of course.
...more>>
- Cicada Circus - Kristina Lasher and special thanks to John Cooley
Math Fundamentals, difficulty level 2. Use the table of information about periodical cicadas to figure out when
the next time is that there will be three years in a row without an
emergence.
...more>>
- Counting Cats and Dogs - Claire Mead
Math Fundamentals, difficulty level 2. How many students in Lin's school have both a dog and a cat?
...more>>
- Dad's Cookies - Diane Anderson's Teaching the Young Learner Class
Math Fundamentals, difficulty level 3. Figure out how many cookies Dad baked for the family before they ate them all!
...more>>
- Dashing Through the Snow - Claire Mead
Math Fundamentals, difficulty level 3. Use clues to determine the finishing order of the ski racers at Winter Carnival.
...more>>
- Dollar Dealing - Suzanne Alejandre and Lillian Ray
Pre-Algebra, difficulty level 2. How much money did Hector and Larissa each have?
...more>>
- Emmy's Action Figures - Claire Mead
Math Fundamentals, difficulty level 2. In how many different ways can Emmy arrange her Famous Mathematician
action figures?
...more>>
- The Farmer in the Dilemma - Claire Mead
Math Fundamentals, difficulty level 3. Help Farmer Mead spend exactly $100 buying exactly 100 sheep, cows and
horses.
...more>>
- Four Dates - Claire Mead
Math Fundamentals, difficulty level 2. Anthony explores number patterns on a calendar.
...more>>
- Fraction Debate - Steve Risberg
Algebra, difficulty level 3. Three students disagree about what happens when you perform a certain operation on a positive proper fraction. Which student do you agree with? Why?
...more>>
- Frog Farming - Claire Mead
Math Fundamentals, difficulty level 2. Help Farmer Mead build a rectangular pen that holds the greatest
number of frogs.
...more>>
- Gas Guzzlers - Mai Sidawi and Lillian Ray
Pre-Algebra, difficulty level 2. Students are asked to decide which car model to replace to get the
most savings in gas costs.
...more>>
- Greta's Garden - Claire Mead
Math Fundamentals, difficulty level 2. Find out how much money Greta made from each of her vegetables at the
Farmers's Market.
...more>>
- Growing Worms * - Claire Mead
Math Fundamentals, difficulty level 2. Find a pattern to predict the growth of worms made of triangles.
...more>>
- In a Pickle - Lillian Ray
Geometry, difficulty level 2. Figure out whether or not there will be enough pickle juice to make
the tartar
sauce.
...more>>
- Jumping Rope - Leon Roland & class
Math Fundamentals, difficulty level 2. Just how long was the rope with which we started?
...more>>
- Lemonade Fun - Maria Fung and her students
Pre-Algebra, difficulty level 2. How many cups of each size lemonade did Jose and Nick sell?
...more>>
- Let the Chips Fall . . . - Claire Mead
Math Fundamentals, difficulty level 3. Use clues about sums to determine which digits are on the reverse sides of three
given chips.
...more>>
- Lillian's Lines - Lillian Ray and Molly Ribble
Pre-Algebra, difficulty level 3. Students are asked to find how many square panes a path goes through
for a window of a
given size.
...more>>
- Lotsa Popcorn! - Annie Fetter
Geometry, difficulty level 1. Can the World's Largest Popcorn Ball really be 50,000 times bigger than a
normal one? Wow!
...more>>
- Math Club Field Trip - Claire Mead
Math Fundamentals, difficulty level 3. How many people returned from the Math Club field trip in Miss Noether's van?
...more>>
- The Mensa Toy Store - Terry Trotter
Algebra, difficulty level 2. The prices are strange in this store. Can you decipher them?
...more>>
- Mixing Marbles - Stephen Weimar
Pre-Algebra, difficulty level 3. Find how many marbles each person had at the beginning.
...more>>
- Moons, by Jove! - Claire Mead
Math Fundamentals, difficulty level 3. Find out how long it will take these 3 moons to return to a position
of alignment with their
planet.
...more>>
- Nuts in a Bowl - Claire Mead
Math Fundamentals, difficulty level 3. Determine how many nuts are in five bowls using the given clues.
...more>>
- Order in the Court * - Claire Mead
Math Fundamentals, difficulty level 2. How many handshakes will take place when the Supreme Court meets?
...more>>
- Polynomial Power - Steve Risberg
Algebra, difficulty level 3. Given the value of one variable expression, can you use it to find the value of others?
...more>>
- Pumpkin Carving for Charity - Suzanne Alejandre
Pre-Algebra, difficulty level 1. How much money did each of the six friends raise by carving pumpkins
to auction off at a
local charity event?
...more>>
- Sam and Teri Revisited - Terry Trotter
Algebra, difficulty level 3. A bank account deposit-withdrawal problem with a difference.
...more>>
- She Counts Seashells * - Claire Mead
Math Fundamentals, difficulty level 2. How many shells does Marcia have in her collection?
...more>>
- Shopping at the School Store - Claire Mead
Math Fundamentals, difficulty level 2. How much does a pencil cost at the school store? How much does an eraser cost?
...more>>
- The Shortest Possible Side - Annie Fetter
Geometry, difficulty level 2. Find the shortest possible side length of a triangle with a given
perimeter.
...more>>
- Sierpinski Stages - Steve Risberg
Algebra, difficulty level 2. Find and use patterns to determine the total perimeter of an interesting shape.
...more>>
- Sketchley Names That Negative - Suzanne Alejandre, Steve Risberg
Pre-Algebra, difficulty level 2. Use five given negative numbers to form an expression that equals the
target number.
...more>>
- Sports Weigh In * - Claire Mead
Math Fundamentals, difficulty level 3. Use three scale readings to find the weight of the soccer ball, the tennis ball, and the
baseball.
...more>>
- Sundaes - Claire Mead
Math Fundamentals, difficulty level 3. How many children had no topping on their ice cream?
...more>>
- Swapping Marbles - Lillian Ray, Steve Risberg, and Steve Weimar
Algebra, difficulty level 3. Three kids swap marbles in an interesting way. After the swapping, which of the three had gained the most marbles? How many did they gain?
...more>>
- Two Heads Are Better Than One - Lillian Ray
Pre-Algebra, difficulty level 3. Given the combined number of heads and legs of ostriches and
pushmi-pullyus, will
Raquel and Esperanza be able to know for sure how many ostriches and
pushmi-pullyus
are on the farm?
...more>>
- Unknown Numbers - Suzanne Alejandre and Lillian Ray
Pre-Algebra, difficulty level 2. Use the four equations to figure out which numbers the quadrilateral
and the circle
represent.
...more>>
- Waste Not, Want Not - Suzanne and Richard Alejandre
Pre-Algebra, difficulty level 2. Explain what you know about the number of bananas the store had at the
beginning of the
week.
...more>>
- Where's Juanita Walking? - Lillian Ray and Annie Fetter
Geometry, difficulty level 4. Help Juanita figure out how many possible ways she could walk to work.
...more>>
- You Think Your Teacher is Tough!* - Claire Mead
Math Fundamentals, difficulty level 2. Use Mr. Garcia's scoring system to find out how many problems Tyler
got correct on his test.
...more>>
- Zelma's ZIP Code - Claire Mead
Math Fundamentals, difficulty level 3. Find Zelma's Zip Code by ordering pairs of digits that are products of one-digit numbers.
...more>>
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The Math Forum is a research and educational enterprise of the Goodwin College of Professional Studies.